new file:   include/common.h
	new file:   include/lexer.h
	new file:   include/parser.h
	modified:   include/structs.h
	modified:   makefile
	new file:   src/common.c
	modified:   src/lexeme.l
	new file:   src/lexer.c
	modified:   src/parser.c
	modified:   test_lex.c
	new file:   test_parse.c